发布时间 : 星期五 文章小学语文数学英语一至六年级知识点归纳总结更新完毕开始阅读cae71f606529647d262852d2
如：study—studied;carry—carried;
(4)双写词尾加ed
如：stop—stopped; jog—jogged;
不规则的有：am,is—was; are—were; do,does—did; have,has—had; go—went; meet—met; sit—sat; see—saw; get—got; tell—told; run—ran; come—came; steal—stole; read—read;
19形容词副词比较级的构成
规则的：
(1)直接在形容词或副词后加er
如;small—smaller; low—lower;
(2)以e结尾的加r
如：late—larer;
(3)双写词尾加er
如：big—bigger; thin—thinner; fat—fatter;
(4) 以辅音字母加y结尾的改y为i加er
如：heavy—heavier; early—earlier;
不规则的有：
good, well—better(最高级为best); many, much--- more(最高级为most);
far---farther;
20rain与snow的用法
(1)作为名词意思是雨水和雪是不可数名词
如：There is a lot of rain there in spring. 那儿的春天有很多雨水。
(2) 作为动词意思是下雨和下雪，有四种形式分别是：
动词原形rain， snow;
第三人称单数rains ，snows;
现在分词raining; snowing
过去式rained; snowed;
如：①Look! It is raining now. 瞧!天正在下雨。
②It often rains in Nantong in summer.南通夏天经常下雨。
③ It rained yesterday.昨天下了雨。
④It is going to rain tomorrow. 明天要下雨。
(3)形容词为rainy 和snowy 意思是有雨的和有雪的
如：It is often rainy here in spring.这儿的春天经常是有雨的。
If it is rainy tomorrow, I’ll stay at home.如果明天是有雨的，我将呆在家里。
21比较级
注意只有同类事物才可进行比较。
如：My eyes are bigger than hers.Your school bag is heavier than mine. My computer is nicer than Nancy’s. My brother is stronger than me.
22have, has
表示某人有(has用于第三人称单数);There is/ are;
There was/ were 表示某地存在有
注意There be 句型的就近原则
单数或不可数用there is /was;
复数用there are/ were.
23本身就是复数的词
眼镜glasses; 耳机earphones; 鞋shoes;裤子trousers等词本身是复数。
如：My glasses were on the chair just now.
但如果表示这双，这副，一双的时候用单数
如：There is a pair of chopsticks on the plate. This pair of earphones is for you.
24五个元音字母：Aa, Ee, Ii, Oo, Uu;25一个的用法
a用于辅音前不是辅音字母前;an 用于元音前不是元音字母前。
如：There is an ’s’, a ‘t’, a ‘u’, a ‘d’ ,an ‘e’, an ‘n’,and a ‘t’ in the word ‘student’.